45373797540 has 60 divisors (see below), whose sum is σ = 142339288476. Its totient is φ = 12099678912.

The previous prime is 45373797529. The next prime is 45373797551. The reversal of 45373797540 is 4579737354.

45373797540 is a `hidden beast` number, since 4 + 5 + 3 + 7 + 3 + 7 + 97 + 540 = 666.

It is an interprime number because it is at equal distance from previous prime (45373797529) and next prime (45373797551).

It can be written as a sum of positive squares in 2 ways, for example, as 18966247524 + 26407550016 = 137718^2 + 162504^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14002639 + ... + 14005878.

Almost surely, 2^45373797540 is an apocalyptic number.

It is an amenable number.

45373797540 is an abundant number, since it is smaller than the sum of its proper divisors (96965490936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45373797540 is a wasteful number, since it uses less digits than its factorization.

45373797540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28008538 (or 28008527 counting only the distinct ones).

The product of its (nonzero) digits is 11113200, while the sum is 54.

The spelling of 45373797540 in words is "forty-five billion, three hundred seventy-three million, seven hundred ninety-seven thousand, five hundred forty".